class Coilwraps::Calculator
Constants
- RESISTIVITY
Public Class Methods
run(resistance:, wire_guage:, jig_diameter:, wire_type:)
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# File lib/coilwraps/calculator.rb, line 8 def self.run(resistance:, wire_guage:, jig_diameter:, wire_type:) # area calculation inspired by http://www.rapidtables.com/calc/wire/awg-to-mm.htm area = 0.012668 * 92**((36-wire_guage)/19.5) radius = jig_diameter / 2 circumference = radius * 2 * Math::PI resistivity = RESISTIVITY[wire_type] coil_length = (resistance * area) / resistivity wraps = coil_length / circumference wraps.round end